Amateur Radio Sites — Updated, Verified, Topic-Sorted (APA)

Updated and link-checked on 2026-02-26 • Sorted by topic • APA-style references • Full URLs shown

Notes: Some sites may block automated fetchers or require JavaScript; where that occurred, the URL is retained and the page title was verified via searchable public metadata. Long URLs are preserved and wrapped for print readability.

Conferences and Navigation Resilience

  1. Who cares about the Baltic Jammer? Terrestrial Navigation in the Baltic Sea Region

    URL: https://media.ccc.de/v/39c3-who-cares-about-the-baltic-jammer-terrestrial-navigation-in-the-baltic-sea-region

    A 39c3 talk on GNSS jamming/spoofing impacts in the Baltic region and the design of terrestrial backup navigation using existing radio beacons and maritime infrastructure. Useful background if you’re looking at resilient PNT (positioning, navigation, timing) beyond satellites.

    APA: Lars, Hehenkamp, N., & Markus. (2025, December 27). Who cares about the Baltic Jammer? Terrestrial navigation in the Baltic Sea region [Conference presentation video]. media.ccc.de. https://media.ccc.de/v/39c3-who-cares-about-the-baltic-jammer-terrestrial-navigation-in-the-baltic-sea-region

Listening and Web Receivers

  1. Shortwave.Live (shortwave schedule database)

    URL: https://shortwave.live/

    An interactive shortwave schedule database that highlights frequencies currently on-air and lets you browse stations worldwide. Handy for quickly finding active broadcasters and checking times/frequencies without digging through PDFs.

    APA: Shortwave.Live. (n.d.). Shortwave radio schedule database. https://shortwave.live/

  2. Radio Garden (listen to live radio by rotating the globe)

    URL: https://radio.garden/

    A globe-based interface for discovering and listening to live internet radio streams by location. Great for casual exploration of stations worldwide and quick spot-checking regional audio content.

    APA: Radio Garden. (n.d.). Radio Garden: Explore live radio by rotating the globe. https://radio.garden/

  3. WebSDR directory (list of public WebSDR receivers)

    URL: http://websdr.org/

    A directory of publicly available WebSDR receivers that let multiple listeners tune independently in a browser. If the directory redirects oddly, the background page below still describes the project and links back to the directory.

    APA: WebSDR.org. (n.d.). WebSDR directory. http://websdr.org/

  4. WebSDR background information

    URL: https://www.websdr.org/background.html

    Background and history of the WebSDR concept, including what hardware/software is typically required to host a receiver. Useful context if you’re evaluating latency, bandwidth requirements, or how WebSDR differs from single-user remote receivers.

    APA: WebSDR.org. (n.d.). WebSDR background information. https://www.websdr.org/background.html

  5. CQSSTV (worldwide SSTV reception gallery)

    URL: https://www.cqsstv.com/

    A site that aggregates recently received SSTV images from around the world, with band/frequency breakdowns and contributor pages. Good for monitoring live SSTV activity and validating your receive setup by comparing what others are decoding.

    APA: CQSSTV. (n.d.). CQSSTV: Slow Scan TV—pictures over radio. https://www.cqsstv.com/

  6. How to Listen to Shortwave Pirate Radio (beginner’s guide)

    URL: https://brokensignal.tv/pages/Pirate-Radio-How-to-Listen-on-Shortwave.html

    A practical beginner guide covering equipment choices, common frequency ranges, timing, and community resources for pirate shortwave listening. It also calls out legal/ethical boundaries and offers scanning strategies for SDR and traditional receivers.

    APA: Davis, D. (2025, February 10). How to listen to shortwave pirate radio: The ultimate beginner's guide. Broken Signal. https://brokensignal.tv/pages/Pirate-Radio-How-to-Listen-on-Shortwave.html

Space, Satellites, and High-Altitude Platforms

  1. ARISS: Contact the ISS

    URL: https://www.ariss.org/contact-the-iss.html

    The ARISS (Amateur Radio on the International Space Station) guidance page on how schools and groups can participate and make contact. A solid starting point for ISS voice/digital operations, schedules, and educational outreach processes.

    APA: Amateur Radio on the International Space Station. (n.d.). Contact the ISS. https://www.ariss.org/contact-the-iss.html

  2. Orbiting the Earth: A Beginners Guide to Amateur Radio Satellites (slides)

    URL: https://hamradiouniversity.org/wp-content/uploads/2024/01/HRU2024-Satellites.pdf

    A slide deck introducing amateur satellite operations: orbits, pass planning, antennas, Doppler, and operating practices (including ISS). Useful as a compact primer before you start working FM birds or building a portable sat kit.

    APA: Portanova, P. (2024). Orbiting the Earth: A beginners guide to amateur radio satellites [Slides]. Ham Radio University. https://hamradiouniversity.org/wp-content/uploads/2024/01/HRU2024-Satellites.pdf

  3. Decode satellites with no license — SatDump quick guide

    URL: https://hamradioprep.com/decode-satellites-with-no-license/

    A beginner-friendly walkthrough oriented around using SatDump for receiving/decoding satellite data without transmitting. Helpful if your goal is passive reception (weather sats, telemetry, imagery) and you want a quick toolchain overview.

    APA: Ham Radio Prep. (n.d.). Decode satellites with no license—SatDump quick guide. https://hamradioprep.com/decode-satellites-with-no-license/

  4. SatDump documentation

    URL: https://docs.satdump.org/

    Official documentation for SatDump, including installation, supported satellites, demod/decoding workflows, and configuration. This is the canonical reference when you’re troubleshooting a pipeline or validating supported signal types.

    APA: SatDump. (n.d.). SatDump documentation. https://docs.satdump.org/

  5. SatsDecoder (image/telemetry decoder for amateur satellites)

    URL: https://github.com/baskiton/SatsDecoder

    Open-source tooling for decoding imagery and telemetry from a range of amateur satellite platforms. Useful when you’re targeting specific sats supported by SatsDecoder or building a custom receive/processing workflow.

    APA: baskiton. (n.d.). SatsDecoder [Source code]. GitHub. https://github.com/baskiton/SatsDecoder

  6. Tutorial: download and decode images from NOAA satellites (r/RTLSDR thread)

    URL: https://www.reddit.com/r/RTLSDR/comments/17j9bc9/tutorial_for_download_and_decode_images_from_noaa/

    A community tutorial thread focused on NOAA weather satellite image reception/decoding, including typical SDR software steps and common pitfalls. Good for quick troubleshooting tips and practical “newbie” checklists.

    APA: Reddit. (n.d.). Tutorial for download and decode images from NOAA satellites (tutorial from a newbie) [Online forum post]. https://www.reddit.com/r/RTLSDR/comments/17j9bc9/tutorial_for_download_and_decode_images_from_noaa/

  7. High Altitude Balloons – Amateur Radio at the Edge of Space (slides)

    URL: https://www.n1fd.org/wp-content/uploads/2018/01/2017-Dec-Tech-Night-High-Altitude-Balloons-Amatuer-Radio-at-the-Edge-of-Space.pdf

    A detailed tech-night slide deck covering HAB goals, platform design, APRS/GPS tracking, launch ops, and recovery. Useful as a practical reference for planning, RF payload architecture, and field operations.

    APA: Nashua Area Radio Society HAB Project Team. (2017, December 12). High altitude balloons – amateur radio at the edge of space [Presentation slides]. https://www.n1fd.org/wp-content/uploads/2018/01/2017-Dec-Tech-Night-High-Altitude-Balloons-Amatuer-Radio-at-the-Edge-of-Space.pdf

  8. Ham Radio FAQ: How do I build and launch an amateur radio high-altitude balloon?

    URL: https://hamradiofaq.com/kb/advanced-topics-and-specializations/how-do-i-build-and-launch-an-amateur-radio-high-altitude-balloon/

    A step-by-step overview of HAB planning, payload considerations, tracking, regulations, and launch logistics. It’s a good “what to think about” checklist before you dive into specific hardware choices.

    APA: Ham Radio FAQ. (n.d.). How do I build and launch an amateur radio high-altitude balloon? https://hamradiofaq.com/kb/advanced-topics-and-specializations/how-do-i-build-and-launch-an-amateur-radio-high-altitude-balloon/

  9. 360 Tracking and Chasing Weather Balloons with TTGO LoRa Board and Raspberry Pi (YouTube)

    URL: https://www.youtube.com/watch?v=vQfztG60umI

    A practical video showing balloon tracking and recovery tactics using LoRa hardware and a Raspberry Pi, aimed at real field work rather than theory. Useful for thinking through UI, telemetry, and chase workflow.

    APA: YouTube. (n.d.). 360 Tracking and Chasing Weather Balloons with TTGO LoRa Board and Raspberry Pi. Fun and Adventure [Video]. https://www.youtube.com/watch?v=vQfztG60umI

Digital Voice, VoIP, Mesh, and Networking

  1. M17 Project (open digital voice protocol)

    URL: https://m17project.org/about/

    Overview of the M17 digital voice/data protocol project, including goals, openness, and ecosystem direction. Useful starting point if you’re comparing modern open DV stacks (codecs, framing, repeaters, hotspots) and want a fully open alternative.

    APA: M17 Project. (n.d.). About. https://m17project.org/about/

  2. AREDN (Amateur Radio Emergency Data Network)

    URL: https://www.arednmesh.org/

    A mesh networking project for ham bands, focused on emergency data and resilient IP networking using modified firmware and standard hardware. Good entry point for node firmware, supported devices, and deployment patterns.

    APA: Amateur Radio Emergency Data Network. (n.d.). Amateur Radio Emergency Data Network (AREDN). https://www.arednmesh.org/

  3. AllStarLink (VoIP linking for repeaters/nodes)

    URL: https://allstarlink.org/

    A VoIP system widely used to link repeaters and simplex nodes, typically via Asterisk. Useful for understanding node registration, linking conventions, and network capabilities when building a linked-repeater system.

    APA: AllStarLink. (n.d.). AllStarLink. https://allstarlink.org/

  4. EchoLink (VoIP for amateur radio)

    URL: https://echolink.org/

    EchoLink provides a way to connect to repeaters and nodes over the internet using call-sign authenticated access. The site includes basic onboarding and client information for building an EchoLink-capable station or node.

    APA: EchoLink. (n.d.). Introducing EchoLink. https://echolink.org/

Software, Distributions, and Logging

  1. Debian Hamradio Pure Blend

    URL: https://www.debian.org/blends/hamradio/

    A Debian “pure blend” that aggregates ham radio packages and provides a curated entry point to ham-focused software on Debian-based systems. Useful if you want an opinionated starting set for a shack PC, Pi, or VM.

    APA: Debian. (n.d.). Debian Hamradio Pure Blend. https://www.debian.org/blends/hamradio/

  2. fldigi (digital modem suite) — SourceForge project page

    URL: https://sourceforge.net/projects/fldigi/

    SourceForge landing page for the fldigi digital modem suite (PSK, RTTY, Olivia, etc.), including downloads and release info. Handy as a stable download reference and for confirming the official project location.

    APA: fldigi. (n.d.). fldigi download. SourceForge. https://sourceforge.net/projects/fldigi/

  3. WSJT-X (weak-signal digital modes) — official page

    URL: https://wsjt.sourceforge.io/wsjtx.html

    The official WSJT-X page with downloads, documentation links, and project context for FT8/FT4 and related weak-signal modes. This is the canonical starting point for verified releases and getting set up correctly.

    APA: WSJT. (n.d.). WSJT-X. https://wsjt.sourceforge.io/wsjtx.html

  4. CQRLOG (Linux logging program)

    URL: https://www.cqrlog.com/

    A well-known Linux logging program with features for QSO logging, rig control, LoTW/eQSL integration, and award tracking. The site provides downloads, docs, and release updates for the toolchain.

    APA: CQRLOG. (n.d.). CQRLOG: The world's best linux logging program! https://www.cqrlog.com/

  5. HamPi wiki: General ham radio applications

    URL: https://github.com/dslotter/HamPi/wiki/General_Ham_Radio_Applications

    A practical wiki page listing ham radio applications commonly used on Raspberry Pi-based setups. Useful as a quick “what to install” reference when building a portable digital/SDR Pi image.

    APA: dslotter. (n.d.). General ham radio applications (HamPi wiki). GitHub. https://github.com/dslotter/HamPi/wiki/General_Ham_Radio_Applications

  6. arcOS Linux (ham radio-focused distro) — home

    URL: https://arcos-linux.com/

    A ham-radio-focused Linux distribution that aims to provide a ready-to-go environment for amateur radio operations. Useful for quick setups when you want a pre-integrated software stack.

    APA: arcOS. (n.d.). arcOS | Home. https://arcos-linux.com/

  7. arcOS documentation

    URL: https://arcos-linux.com/rtfm.html

    Documentation and how-to guidance for arcOS, including usage and configuration pointers. Helpful for understanding what’s included and how the distro expects you to operate it.

    APA: arcOS. (n.d.). arcOS | Documentation. https://arcos-linux.com/rtfm.html

  8. arcos-linux-modules (QRV modules) — GitHub

    URL: https://github.com/kg4vdk/arcos-linux-modules

    Repository for arcOS QRV modules, which package or configure ham software components for arcOS usage. Useful if you’re extending arcOS or want to understand its modular packaging approach.

    APA: kg4vdk. (n.d.). arcos-linux-modules [Source code]. GitHub. https://github.com/kg4vdk/arcos-linux-modules

SDR, RF Engineering, and Security Tooling

  1. A Beginner’s Two-Component Crystal-Style Wi‑Fi Detector

    URL: https://siliconjunction.top/2025/12/12/a-beginners-two-component-crystal-style-wi-fi-detector/

    A minimalist RF detector build (Schottky diode + LED) that visibly reacts to 2.4 GHz bursts from Wi‑Fi/Bluetooth and other nearby sources. Great for demos, quick field checks, and understanding envelope detection at microwave frequencies.

    APA: Dunn, M. (2025, December 12). A beginner’s two-component crystal-style Wi‑Fi detector. Silicon Junction. https://siliconjunction.top/2025/12/12/a-beginners-two-component-crystal-style-wi-fi-detector/

  2. Fifty Things you can do with a Software Defined Radio

    URL: https://blinry.org/50-things-with-sdr/

    A long-form idea list of SDR projects and experiments, ranging from broadcast reception to protocol exploration. Useful as a brainstorming index when you want a new SDR “lab exercise” without starting from scratch.

    APA: blinry. (n.d.). Fifty things you can do with a software defined radio. https://blinry.org/50-things-with-sdr/

  3. Real-Time Beamforming With Software-Defined Radio (Hackaday)

    URL: https://hackaday.com/2025/08/05/real-time-beamforming-with-software-defined-radio/

    An overview of a real-time SDR beamforming project, useful as a jumping-off point for array concepts and implementation tradeoffs. Good for inspiration if you’re exploring direction finding, phased arrays, or adaptive filtering.

    APA: Hackaday. (2025, August 5). Real-time beamforming with software-defined radio. https://hackaday.com/2025/08/05/real-time-beamforming-with-software-defined-radio/

  4. Simple SDR projects you can do at home (Red Pitaya)

    URL: https://content.redpitaya.com/blog/simple-sdr-projects-you-can-do-at-home

    A set of approachable SDR project ideas geared toward home experimentation, often using lab-style SDR hardware. Useful for structuring a learning path from basic reception to more involved DSP exercises.

    APA: Red Pitaya. (n.d.). Simple SDR projects you can do at home. https://content.redpitaya.com/blog/simple-sdr-projects-you-can-do-at-home

  5. Software-Defined Radio: A Hands-On Approach (Rutgers WINLAB projects)

    URL: https://www.winlab.rutgers.edu/~spasojev/courses/sdr/projects.html

    A course project page with SDR lab ideas and project prompts oriented toward practical implementation. Useful if you want structured project scopes for a study group, class, or self-directed learning.

    APA: Rutgers WINLAB. (n.d.). Software-defined radio: A hands-on approach (projects). https://www.winlab.rutgers.edu/~spasojev/courses/sdr/projects.html

  6. Software Defined Radio (SDR) Experiment Board (element14 Community)

    URL: https://community.element14.com/challenges-projects/project14/radiocontrol/b/blog/posts/software-defined-radio-sdr-experiment-board

    A community writeup centered on an SDR experiment board and practical experimentation context. Useful as a reference when comparing dev boards or planning a hands-on SDR bench setup.

    APA: element14 Community. (n.d.). Software defined radio (SDR) experiment board. https://community.element14.com/challenges-projects/project14/radiocontrol/b/blog/posts/software-defined-radio-sdr-experiment-board

  7. LibHunt: Top GNURadio open-source projects

    URL: https://www.libhunt.com/topic/gnuradio

    A curated list of popular open-source projects in and around GNU Radio, useful for discovering tooling (front-ends, signal chains, satellite decoders, SoapySDR tooling, etc.). It’s a quick way to map the ecosystem before choosing a stack.

    APA: LibHunt. (n.d.). Top GNURadio open-source projects. https://www.libhunt.com/topic/gnuradio

  8. Getting To The Heart Of A Baofeng (Hackaday)

    URL: https://hackaday.com/2022/11/15/getting-to-the-heart-of-a-baofeng/

    A teardown/analysis-style article digging into Baofeng internals and practical implications. Helpful if you’re evaluating limitations, mod paths, or simply want a deeper view into low-cost HT design choices.

    APA: Hackaday. (2022, November 15). Getting to the heart of a Baofeng. https://hackaday.com/2022/11/15/getting-to-the-heart-of-a-baofeng/

  9. Pull in the weakest FM and AM signals with this DIY build (IEEE Spectrum)

    URL: https://spectrum.ieee.org/hacking-a-car-radio-chip

    An IEEE Spectrum article on building a high-performance receiver around a repurposed car-radio chip, with discussion of DSP/SDR techniques and DIY implementation details. Useful if you’re interested in modern broadcast-band DXing and compact high-dynamic-range receivers.

    APA: Verhoeven, S. (2024, November 30). Pull in the weakest FM and AM signals with this DIY build. IEEE Spectrum. https://spectrum.ieee.org/hacking-a-car-radio-chip

  10. Universal Radio Hacker (URH) — GitHub

    URL: https://github.com/jopohl/urh

    URH is a toolkit for investigating and reverse-engineering wireless protocols, including demodulation, analysis, and replay workflows. Useful for legitimate protocol exploration, interoperability work, and RF education.

    APA: jopohl. (n.d.). Universal Radio Hacker (URH) [Source code]. GitHub. https://github.com/jopohl/urh

  11. Radiofrequency Hacking Techniques (Physics of Cybersecurity)

    URL: https://demuth.github.io/cyberphysics/15-mod4-radiofrequency-hacking-techniques/index.html

    Instructional material on RF hacking techniques and conceptual threat models, oriented toward education. Useful for framing experimentation ethically and understanding what “attacks” look like at the RF layer.

    APA: Physics of Cybersecurity. (n.d.). Radiofrequency hacking techniques. https://demuth.github.io/cyberphysics/15-mod4-radiofrequency-hacking-techniques/index.html

  12. makeRF (DIY radios, antennas, transmitters)

    URL: https://makerf.com/

    A project-oriented site with hands-on RF builds and experimentation notes, spanning antennas and radio electronics. Good for browsing approachable DIY projects and build logs.

    APA: makeRF. (n.d.). makeRF: Fun with DIY radios, antennas, transmitters & more! https://makerf.com/

  13. Use Best Practices for Network Time Protocol (Cisco)

    URL: https://www.cisco.com/c/en/us/support/docs/availability/high-availability/19643-ntpm.html

    Cisco’s guidance on NTP design and operational best practices, useful for building robust timing across networked systems. Timing is foundational for many RF and SDR workflows (distributed receivers, timestamped logs, coherent systems).

    APA: Cisco. (2024, March 14). Use best practices for network time protocol. https://www.cisco.com/c/en/us/support/docs/availability/high-availability/19643-ntpm.html

  14. Flipper Zero explained: What to know about the viral hacker tool (TechTarget)

    URL: https://www.techtarget.com/whatis/feature/Flipper-Zero-explained-What-to-know-about-the-viral-hacker-tool

    A grounded overview of Flipper Zero capabilities, constraints, and common misconceptions, with a focus on how it interacts with wireless/IR signals. Useful context if you’re assessing RF/security tooling realistically rather than via social-media hype.

    APA: Lutkevich, B. (2023, March 2). Flipper Zero explained: What to know about the viral hacker tool. TechTarget. https://www.techtarget.com/whatis/feature/Flipper-Zero-explained-What-to-know-about-the-viral-hacker-tool

  15. GrouseGuard (bioacoustic monitoring project) — Hackster

    URL: https://www.hackster.io/534257/grouseguard-bioacoustic-monitoring-of-wood-grouse-13ee48

    A Hackster project page describing a field monitoring build that uses audio sensing and analysis in a wildlife context. Included here because similar low-power sensing pipelines often overlap with RF telemetry and remote data links in field deployments.

    APA: Hackster.io. (n.d.). GrouseGuard: Bioacoustic monitoring of wood grouse. https://www.hackster.io/534257/grouseguard-bioacoustic-monitoring-of-wood-grouse-13ee48

Reference Lists, Communities, and Project Aggregators

  1. Open Research Institute (GitHub org)

    URL: https://github.com/OpenResearchInstitute

    An organization focused on open research in radio and related technical domains, with repositories spanning experimentation, tooling, and collaboration. Useful as an anchor point for open-source radio research projects.

    APA: Open Research Institute. (n.d.). OpenResearchInstitute [GitHub organization]. GitHub. https://github.com/OpenResearchInstitute

  2. HamSCI (Ham Radio Science Citizen Investigation)

    URL: https://hamsci.org/

    A community bridging amateur radio and scientific research, especially ionospheric and propagation studies. Great for coordinated experiments, event calendars, and research-friendly project writeups.

    APA: HamSCI. (n.d.). HamSCI. https://hamsci.org/

  3. Ham Radio DX — Blog

    URL: https://hamradiodx.net/blog/

    An amateur radio blog with posts spanning beginners’ topics, SDR, gear, and operating. Useful as an ongoing feed of practical writeups and pointers, including links to related resources.

    APA: Ham Radio DX. (n.d.). Blog. https://hamradiodx.net/blog/

  4. Popular amateur radio projects on GitHub (EtherHam)

    URL: https://etherham.com/popular-amateur-radio-projects-on-github/

    A roundup of amateur radio-related GitHub projects, useful for quickly discovering tooling, firmware, and experiment repos. Good as a seed list before deeper evaluation of each project’s activity and license.

    APA: EtherHam. (n.d.). Popular amateur radio projects on GitHub. https://etherham.com/popular-amateur-radio-projects-on-github/

  5. awesome-ham-radio (Oxymoron290) — GitHub

    URL: https://github.com/Oxymoron290/awesome-ham-radio

    A curated “awesome list” of amateur radio resources, tools, and links, organized for discovery. Useful for expanding a personal knowledge base and finding niche tooling by category.

    APA: Oxymoron290. (n.d.). awesome-ham-radio [Resource list]. GitHub. https://github.com/Oxymoron290/awesome-ham-radio

  6. Awesome-RF (Quetzal-coalt) — GitHub

    URL: https://github.com/Quetzal-coalt/Awesome-RF

    A broader RF/SDR-focused curated list that goes beyond ham radio, spanning tools, projects, and references. Good for cross-pollinating ham work with RF engineering and SDR ecosystems.

    APA: Quetzal-coalt. (n.d.). Awesome-RF [Resource list]. GitHub. https://github.com/Quetzal-coalt/Awesome-RF

  7. awesome-amateur-radio organizations list (mcaserta) — GitHub

    URL: https://github.com/mcaserta/awesome-amateur-radio/blob/main/organizations.md

    A curated list of amateur radio organizations and related groups, useful for discovering communities, clubs, and institutions. Good for outreach, collaboration, or finding standards bodies relevant to a project.

    APA: mcaserta. (n.d.). Organizations (awesome-amateur-radio). GitHub. https://github.com/mcaserta/awesome-amateur-radio/blob/main/organizations.md

  8. Awesome-LoRa-APRS (9M2PJU) — GitHub

    URL: https://github.com/9M2PJU/Awesome-LoRa-APRS

    A curated list focused on LoRa + APRS projects and references, useful if you’re building low-power tracking/telemetry networks. Good for surveying firmware options and ecosystem components before selecting hardware.

    APA: 9M2PJU. (n.d.). Awesome-LoRa-APRS [Resource list]. GitHub. https://github.com/9M2PJU/Awesome-LoRa-APRS

  9. awesome-ham-radio (kc1lqt) — GitHub

    URL: https://github.com/kc1lqt/awesome-ham-radio

    Another curated “awesome list” of ham radio resources, often with different coverage than other lists. Useful for cross-checking categories and discovering additional tools or learning materials.

    APA: kc1lqt. (n.d.). awesome-ham-radio [Resource list]. GitHub. https://github.com/kc1lqt/awesome-ham-radio

  10. awesome-hamradio (DD5HT) — GitHub

    URL: https://github.com/DD5HT/awesome-hamradio

    A curated collection of hamradio repositories and resources, oriented around discoverability. Good for finding projects you might otherwise miss, especially around SDR and digital modes.

    APA: DD5HT. (n.d.). awesome-hamradio [Resource list]. GitHub. https://github.com/DD5HT/awesome-hamradio

  11. Ham Radio University: Past presentations

    URL: https://hamradiouniversity.org/past-presentations/

    Archive page for Ham Radio University slide decks and presentation materials. Useful as a browsable repository of structured talks spanning many ham topics.

    APA: Ham Radio University. (n.d.). Past presentations. https://hamradiouniversity.org/past-presentations/

  12. European Space Agency: Open source software resources for space downstream applications

    URL: https://www.esa.int/Enabling_Support/Space_Engineering_Technology/Radio_Frequency_Systems/Open_Source_Software_Resources_for_Space_Downstream_Applications

    ESA’s curated catalog of open-source software relevant to GNSS, Earth observation, satcom, SDR, and downstream application development. Useful as a high-quality index when building space/RF tooling stacks.

    APA: European Space Agency. (n.d.). Open source software resources for space downstream applications. https://www.esa.int/Enabling_Support/Space_Engineering_Technology/Radio_Frequency_Systems/Open_Source_Software_Resources_for_Space_Downstream_Applications

  13. Hamradio.my: How Modern Technology is Changing Amateur Radio DXpeditions

    URL: https://hamradio.my/2025/06/how-modern-technology-is-changing-amateur-radio-dxpeditions/

    A discussion of how modern tools (remote stations, AR/VR concepts, tracking, and planning software) are changing DXpedition workflows. Useful if you’re thinking about the evolution of portable/remote operations and the tech stack behind them.

    APA: Hamradio.my. (2025, June 17). How modern technology is changing amateur radio DXpeditions. https://hamradio.my/2025/06/how-modern-technology-is-changing-amateur-radio-dxpeditions/

Repeaters, Directories, and Operating Infrastructure

  1. RepeaterBook.com

    URL: https://www.repeaterbook.com/

    A widely used repeater directory with search and regional filtering, often leveraged for trip planning and local operating. Useful as a baseline reference when programming memories or planning VHF/UHF coverage.

    APA: RepeaterBook.com. (n.d.). RepeaterBook.com. https://www.repeaterbook.com/

  2. Amateur Radio Adapter Kit (ABR Industries)

    URL: https://abrind.com/product/amateur-radio-adapter-kit/

    A commercial adapter kit intended for interfacing amateur radio gear (connectivity/adapter use cases vary by kit). Useful as a procurement reference if you need a purpose-built adapter rather than DIY cabling.

    APA: ABR Industries. (n.d.). Amateur radio adapter kit. https://abrind.com/product/amateur-radio-adapter-kit/

  3. Packet Radio and High-Tech Nomadics (Nomadic Research Labs)

    URL: https://microship.com/packet-radio-high-tech-nomadics/

    A classic article reprint diving into packet radio applications and the architecture of a highly mobile ham/data platform. Useful historical context for mobile computing + RF integration, especially if you’re designing field-capable comms rigs.

    APA: Roberts, S. K. (1989, October 1). Packet radio and high-tech nomadics. Nomadic Research Labs. https://microship.com/packet-radio-high-tech-nomadics/

Weather Observation and Environmental Networks

  1. Citizen Weather Observer Program (CWOP) overview (Flyriver)

    URL: https://www.flyriver.com/g/citizen-weather-observer-program-cwop

    A general overview page describing CWOP and its role in augmenting weather observation networks. Useful for quick orientation before diving into station registration, APRS weather reporting, or data ingestion pipelines.

    APA: Flyriver.com. (n.d.). Best information about the Citizen Weather Observer Program (CWOP): Augmenting weather observation networks. https://www.flyriver.com/g/citizen-weather-observer-program-cwop

  2. WXQA (CWOP registration site) — status note

    URL: http://www.wxqa.com/

    Historically used for CWOP registration/queries, but this site was returning a 502 Bad Gateway error when checked on 2026‑02‑26. Included for continuity with the original list; you may need alternate CWOP/MADIS guidance until service returns.

    APA: WXQA. (n.d.). WXQA. http://www.wxqa.com/

  3. Remote Automatic Weather Stations (RAWS) (NIFC overview)

    URL: https://www.nifc.gov/about-us/what-is-nifc/remote-automatic-weather-stations

    NIFC’s overview of RAWS and their role in fire weather and environmental monitoring. Useful for understanding what RAWS is, who operates it, and how it fits into wildfire operations.

    APA: National Interagency Fire Center. (n.d.). Remote automatic weather stations (RAWS). https://www.nifc.gov/about-us/what-is-nifc/remote-automatic-weather-stations

  4. FHWA Road Weather Management FAQ

    URL: https://ops.fhwa.dot.gov/weather/faq.htm

    FAQ material on road weather management, data sources, and operational concepts from FHWA. Useful background when integrating meteorological data into transportation or field-ops planning systems.

    APA: Federal Highway Administration. (n.d.). FHWA road weather management: Frequently asked questions. https://ops.fhwa.dot.gov/weather/faq.htm

  5. WRCC Station Inventory (COOP, Washington)

    URL: https://wrcc.dri.edu/Monitoring/Stations/station_inventory_show.php?snet=coop&sstate=WA

    A station inventory view for Washington cooperative (COOP) stations via WRCC. Useful for identifying nearby stations and metadata when building regional monitoring or validation workflows.

    APA: Western Regional Climate Center. (n.d.). Station inventory (COOP, Washington). https://wrcc.dri.edu/Monitoring/Stations/station_inventory_show.php?snet=coop&sstate=WA

  6. NWCG Standards for Fire Weather Stations (catalog entry with PDF link)

    URL: https://www.frames.gov/catalog/58301

    A FRAMES catalog entry for the NWCG standards, including publication metadata and an outgoing PDF link. Useful as an accessible landing page when direct NWCG downloads are restricted by network policy.

    APA: National Wildfire Coordinating Group. (2019). NWCG standards for fire weather stations (PMS 426-3). Fire Research and Management Exchange System (FRAMES). https://www.frames.gov/catalog/58301

  7. Remote Automated Weather Stations (RAWS) — Hawaiʻi Climate Data Portal

    URL: https://www.hawaii.edu/climate-data-portal/remote-automated-weather-stations-raws/

    A concise overview of RAWS in Hawaiʻi, including context and links to related resources. Useful if you’re working with island station networks or comparing RAWS implementations by region.

    APA: Hawaiʻi Climate Data Portal. (n.d.). Remote automated weather stations (RAWS). https://www.hawaii.edu/climate-data-portal/remote-automated-weather-stations-raws/

Media, Tutorials, and Video Channels

  1. Frugal Radio (YouTube channel)

    URL: https://www.youtube.com/@FrugalRadio

    A YouTube channel with ham-radio content, typically focused on practical, budget-conscious gear and operating topics. Useful as a lightweight, real-world complement to more formal documentation.

    APA: Frugal Radio. (n.d.). Home [YouTube channel]. YouTube. https://www.youtube.com/@FrugalRadio

  2. dereksgc (YouTube channel)

    URL: https://www.youtube.com/@dereksgc

    A ham-radio oriented YouTube channel (content varies by series), useful for demonstrations, operating tips, and practical builds. Good for quick visual explanations when text-only docs are sparse.

    APA: dereksgc. (n.d.). Home [YouTube channel]. YouTube. https://www.youtube.com/@dereksgc

  3. Live Free and Ham (YouTube channel)

    URL: https://www.youtube.com/channel/UC4olEcPDONLEyiVhLVMCBwA

    A ham radio podcast/video channel with discussions, live streams, and community-focused content. Useful as an informal source of operating perspectives, gear discussions, and event-style episodes.

    APA: Live Free and Ham. (n.d.). Home [YouTube channel]. YouTube. https://www.youtube.com/channel/UC4olEcPDONLEyiVhLVMCBwA

  4. Ben Eater (YouTube channel)

    URL: https://www.youtube.com/@BenEater

    A well-known electronics education channel with exceptionally clear build-along content (digital logic, CPUs, interfaces). Included because it’s a strong foundation for understanding signal chains and embedded hardware used in radio projects.

    APA: Ben Eater. (n.d.). Home [YouTube channel]. YouTube. https://www.youtube.com/@BenEater

  5. How to Make an Incredible DIY Directional Antenna for Almost Nothing (YouTube)

    URL: https://www.youtube.com/watch?v=1nHPbWPUYzk

    A practical build video on constructing a low-cost directional antenna useful for direction finding (fox hunting) and targeted links. Good as a visual reference for materials, element layout, and how directionality affects received signal strength.

    APA: YouTube. (n.d.). How to make an incredible DIY directional antenna for almost nothing [Video]. https://www.youtube.com/watch?v=1nHPbWPUYzk

  6. Software Defined Radio with HackRF (YouTube)

    URL: https://www.youtube.com/watch?v=BeeSN14JUYU

    An introductory SDR lesson video using HackRF, covering core concepts and an initial GNU Radio-style workflow. Useful if you want a guided first pass at SDR fundamentals and practical tooling setup.

    APA: YouTube. (n.d.). Software defined radio with HackRF [Video]. https://www.youtube.com/watch?v=BeeSN14JUYU

  7. Hacker's SAT (resource collection for satellite hacking/learning)

    URL: https://kalilinuxtutorials.com/hackers-sat/

    A curated collection of satellite-related learning resources, often framed from a security/research angle. Useful as a jumping-off index for tooling, documentation, and training material around satcom and satellite signals.

    APA: Kali Linux Tutorials. (n.d.). Hacker's SAT: A collection of resources for budding SAT hackers. https://kalilinuxtutorials.com/hackers-sat/

  8. 17 Off-Grid Communication Options (Outdoor Happens)

    URL: https://www.outdoorhappens.com/off-grid-communication-options/

    A broad survey of off-grid communication options spanning ham, GMRS/FRS, satellite, LoRa mesh, and low-tech signaling. Useful as a general menu of options before selecting a specific architecture for remote operations.

    APA: Collings, P. (2026, February 24). 17 off-grid communication options [From high-tech to low-tech!]. Outdoor Happens Homestead. https://www.outdoorhappens.com/off-grid-communication-options/